Wrapping packages



Nov; 29 1932'. L..- BENOIT ET AL 1,889,534

WRAPPING PACKAGES Filed Feb. 18. 1930 Patented Nov. 29, 1932 UNITED STATES PATENT A...ol-jl-ICE LEON BENoIr AND n v`.'IosEI'II KANABAY, or CHICAGO, ILLINOIS; VSAID KANABAY ASSIGNQR To SAID BENOIT y WRAI'PING PACKAGES Application led February 118, 1930. lSerial No. 429,407.

Y This invention relatestotwrapping pack.'

ages and yparticularly .to the application fto packages of rWrappers which .are adapted to be rendered' air-tight, -iorwexample by sealing the overlapping edges. v Y. i I The invention particularly relates to the application of fwra'ppings of waxed .paper .for other material which is adapted to become adheren't when heat is `applied thereto. y Although vthe invention is applicable to packages of variousvforms and sizes, -it `will be described in*` connection with packages of eggs of a conventional type, as illustrated in the Aaccornpanyfing draw-ing, in which-A Figure 1 is a perspective viewlof acrate containing .packages of eggs wrapped in vaccordance with the invention,parts v of the crate and liner being brokenaway toshowithe wrapped packages in position, y v Fig. v2 is aplanyviewiolf va machine .adapted to assist in the application yofthe wrapping, Fig. '3 is-a perspective detail showing one stage of the application of the wrapper,

Fig. 4 is a similar view showing a later stage in the application of the wrapper,

Fig. 5 is a sectional view on the line 5 of Fig. 4.

Referringto Figs. 2 to 5 of the drawing,

the wrapping machine comprises atable 20,

- to which is applied a. metal plate 21, which is substantially the same shape and size as the base of the package which is to be wrapped. Along its edges, side plates 22 and 23 and end plates 24 are pivotally connected to the plate 21. The plates 22, 23 and 24 are adapted to lie upon the table outwardly from the plate 21 as shown in Fig. 2. The end plates 24 are spring pressed by spring hinge members 10, or the like, so that they tend to move about their pivoted edges over the plate 21. Catches 25 mounted on the table 20 are adapted to engage the plates 24 and secure same against such movement until they are released during the wrapping operation, as will be hereinafter described. The side plate 22 may be somewhat shorter than the depth of the package to be wrapped. The side plate 23 is preferably substantially equal to that depth and has piv- 59 oted thereto along its outer edge a plate 26 which is suitably yapproximately half' the width ofthe package.

Meng its outer edge ,the plate 26'is provided with a heavy rib 27, which, asshown in Fig. 4,

is .adapted Ito be brought into Contact lwith 55.`

the central line of the top lof the package .during the wrapping operation. The end plates 24 are cut away Aat the center yof their outer edges as shown at 28 to permit the package to be removed from the ywrapping machine after the wrapping is completed. v

The -table 20 is bored as .Shown at 29to ,receive a rod` 30 which extends from one `side of the table transversely of the plate "21 and u preferablygabout its center. Suitable I.bear- 6* ings 31a-re provided for 'the rod .30 `and a crank handle32 is mounted -on its outer end. So that -itmay be rotated. lAdjacent and tbenea-th the plate 2l the bore f29 opens into a transverse :slot .32" and this slot .gives :into slots .33., in the longitudinal direction .ci the plate A2li for the reception of radial arms 3 4 which are mounted on the rod 30adjacent1the lfront and rear sides of the plate 121, tha-tis,

beneathrthefpivoted edges offgthe plates22fand 75 23. It will be readily understood lthat the arms V34:' are "located vinthe slots 33 V.when the :plates 22 `'and l23 are in their horizontal position. -Wfhen` the 4crank 32 is rotated, the arms 34 ,raise the lplates 122 and 123 linto ver.- tical-position asshown in'Figs. 3110.5. `Suitable :stops 35 .are .mounted .on ,the surfaceof the .ftablezQO :to serve as 4guides furthe application .Qffthe awrapping papenor the like upon the :table as shewnain Fig. l2.

The package to be wrappedmay consistgof a-cellular cartonzproducedfby a-blahkAwhich .is bent 5in :the form vof "one for more troughs havingfcertajin,transverse 'slotsthrough y.which are insertedv cross walls B, such :a construc- 9 tifonlbeing :shown and .described in the Leon Benoit Patent No. 4,768,023 granted June-24, 1930. In wrapping such aY package aqsheet Giava-iced paper-36 is applied to-theftable over y the plates 22, `23, 424 and 4-26 :which are ypcsi- 90 tioned .flauti-pon thei-table, the plates 24 bein-g engaged by l,the catches 125,. The carton 37 is lsuperimposed y'upon 4the plate L21 .fand re-1inforcing false ends 38 are appli-,ed 'UO the -recessedfendso the-cartomin Order t-Ozprorde smooth end surfaces therefor. False ends for this purpose may obviously be omitted in the case of other packages. The crank handle 32 is now rotated through an angle of about 900, which results in the movement of the plates 22 and 23 into vertical position, which causes the sides of the sheet of paper 86 to be raised into vertical position above the top of the carton. The connection between the plates 23 and 26, is such that the plate 26 assumes an oblique position backwardly and upwardly from the top edge of the plate 23 as shown in Fig. 3 and indicated in dotted lines in Fig. 4. The operator now grasps the projecting sides of the sheet of paper, creases them together along a line parallel and adjacent to their lateral edges, and continues the folding operation so as to tighten the sheet around the package and enclose the folded edges close to the top of the package, as shown in Fig. 5. The plate 26 is now swung about its pivot so as to superimpose the rib 27 upon the folded joint so as to hold the wrapping in place while its application is being completed. The portions of the wrapper extending beyond the sides of the package are now folded inwardly over the ends of the package thus forming triangular aps projecting from the top and bottom of the package at the ends thereof. The upper flaps are bent downwardly as shown in Fig. 4, and while still held in contact with the ends of the package, the catches 25 are released, whereupon the plates 24 spring into vertical position superimposing the lower flaps upon the upper flaps. The wrapping of the package is now completed and is ready for transfer to a sealing machine.

The packages of eggs which are thus L Wrapped and sealed may suitably be packed in crates, as shown in Fig. 1. It is preferred to employ a liner or envelope 96 which may suitably be of waxed paper. When the packages are packed within the said envelope, its free edges are folded together and preferably sealed by the local application of heat and pressure in succession. The eggs within the crate are thus protected by a double air tight inclosure which has valuable effects in preserving them from decomposition and deterioration of flavor.

Although the invention has been disclosed in connection with the details of specific embodiments thereof, it must be understood that such details are not intended to be limitative of the invention except insofar as set forth in the accompanying claims.

We claim:

1. A machine for wrapping packages comprising a table, plates pivotally mounted thereon and adapted to be positioned and releasably held fiat on the table, and means normally urging said plates to move into vertical position.

2. A machine for wrapping packages comprising a table, plates pivotally mounted thereon and adapted to be positioned flat on the table, spring means normally tending to elevate said plates to a vertical position, and releasable means adapted to hold said plates adjacent the table.

3. A machine for wrapping packages comprising a table, four plates pivotally mounted thereon and adapted to be positioned flat on the table, the pivoted edges of said plates deiining the position for the base of the package to be wrapped, means normally tending to elevate an opposed pair of plates to the vertical position, releasable means adapted to hold said plates adjacent the table, and manually operable means adapted to elevate the other pair of plates to vertical position.

4. A machine for wrapping packages comprising a table, opposed plates pivotally mounted thereon and adapted to be positioned flat on the table, means adapted to elevate said plates to apply a Wrapper to the walls of packages, a plate pivotally mounted on one of said plates adapted to be moved over the top of said package, the last said plate having a weighted fold engaging portion to hold the folded joint of the wrapper against unfolding, opposed plates adapted to engage the remaining walls of the package, means adapted to releasably secure said plates positioned at on the table, and means normally tending to elevate the last said plates into vertical position.

In testimony whereof, We have hereunto set our hands this 12th day of February, 1930.

LEON BENOIT. E. JOSEPH KANABAY. 

